1FE2

CRYSTAL STRUCTURE OF DIHOMO-GAMMA-LINOLEIC ACID BOUND IN THE CYCLOOXYGENASE CHANNEL OF PROSTAGLANDIN ENDOPEROXIDE H SYNTHASE-1.

• PDB DOI: https://doi.org/10.2210/pdb1FE2/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Ovis aries
• Mutation(s): No 


• Deposited: 2000-07-20 Released: 2001-05-02 
• Deposition Author(s): Thuresson, E.D., Malkowski, M.G., Lakkides, K.M., Smith, W.L., Garavito, R.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.277 
• R-Value Work: 0.237 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 69.73 kDa 
• Atom Count: 4,699 
• Modelled Residue Count: 553 
• Deposited Residue Count: 576 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROSTAGLANDIN ENDOPEROXIDE H SYNTHASE-1	A	576	Ovis aries	Mutation(s): 0  EC: 1.14.99.1
UniProt
Find proteins for P05979 (Ovis aries) Explore P05979  Go to UniProtKB:  P05979

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B, D	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G82690UI GlyCosmos:  G82690UI GlyGen:  G82690UI

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COH	H [auth A]	PROTOPORPHYRIN IX CONTAINING CO C34 H32 Co N4 O4 AQTFKGDWFRRIHR-RGGAHWMASA-L
LAX	I [auth A]	EICOSA-8,11,14-TRIENOIC ACID C20 H34 O2 HOBAELRKJCKHQD-QNEBEIHSSA-N
BOG	E [auth A], F [auth A], G [auth A]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.277 
• R-Value Work: 0.237 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 182.19	α = 90
b = 182.19	β = 90
c = 103.23	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-05-02 
Deposition Author(s): Thuresson, E.D., Malkowski, M.G., Lakkides, K.M., Smith, W.L., Garavito, R.M.

Revision History  

• Version 1.0: 2001-05-02
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary